As one of the necessary household appliances in many families, the air conditioner has many components, and almost every part is indispensable. For example, whether the external unit of the air conditioner can operate normally determines the actual use of Experience and effect, so for ordinary friends or professional maintenance personnel, it is necessary for us to master the operation knowledge of the external unit of the air conditioner and the maintenance and treatment of relatively common faults, etc. What I bring to you today is the external unit of the air conditioner related information.
1. Reasons and solutions for the external unit of the air conditioner not turning
(1) The reason why the external unit of the air conditioner does not turn
1、突然停电：如果家里突然停电，空调室外机不开机，那么我们需要检查室内机和室外机的来电是否正常，因为室内机和室外机的来电是否正常。室外机通过交流接触器连接。
2、冷凝器故障：一般空调的故障大多是由于冷凝器损坏造成的。室外冷凝器也有自己的自我保护系统。当不定期清洁时，它会启动自己的保护系统。所以为了避免造成不必要的麻烦，我们尽量定期清理。
3、氟利昂泄漏：氟利昂的用量有限制。过多或过少都会导致空调工作不正常。这时，空调的自我保护系统会自动开关机进行高压保护，以保护自身。
4、电脑板故障。室外机的运行是由电脑板控制的，所以当室外机不运行时，可能是电脑板出现故障；压缩机和室外机烧坏。它还会导致外部设备无法工作。请专业维修人员上门检查、维修。
(2) The solution to the problem that the external unit of the air conditioner does not turn
空调的蒸发器、冷凝器脏污、堵塞，会明显降低制冷效果，甚至造成不制冷。一些用户往往认为这种现象是由于缺氟造成的，于是将其送到维修部门进行维修。用户应注意定期对空调进行清洁和保养。维护工作。
拆下变压器，测量初级线圈电阻，次级电阻正常。显然，变压器的初级线圈已经损坏。更换新变压器后，接通电源，电源指示灯亮，机器工作正常。
2. Air conditioner fan wiring
Installation Precautions:
1. On-hook swing wind connection method: Usually, the red line on the swing wind motor socket is 12V power supply. When plugged into this board, the 12V line should be close to one side of the pin (make the other side empty). When the power is on, the swing leaves should have the action of closing the air outlet. If the action is in the opposite direction when the power is on, just turn the plug on the other side and plug it in. If the swing leaf continues to rotate after being closed in place, a screw can be screwed on the plastic case at the lower part of the swing leaf to stop the positioning.
2. If the internal fan is an electronic speed control type, you can add capacitors C1 and C2 according to Figure 2 to adjust the medium and low wind.
3. If there are only two windshields for the internal fan, you can connect the high and middle control lines together to connect the high windshield according to Figure 3.
4. The emergency start button on the control panel has a delay function for anti-interference, and it takes one second to work after being pressed.
5. The remote control receiver should be far away from the control board itself and try to avoid strong light to avoid interference.
The air conditioner external unit is very important for air conditioner products. There are many common faults about it. For example, the air conditioner external unit does not rotate, which is a problem that interferes with the normal use of users. There are many reasons for this situation, and we need to consider the actual situation in order to master the most appropriate operation steps. The above introduction also includes the wiring steps of the external unit of the air conditioner. The information in this section is the professional knowledge suitable for professional maintenance personnel.
Fault introduction and wiring method of air conditioner external fan
